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Subject [GitHub] [airflow] feluelle edited a comment on issue #6352: [WIP][AIRFLOW-5683] Add SubDagOperator that propagates skipped state
Date Wed, 16 Oct 2019 20:15:17 GMT
feluelle edited a comment on issue #6352: [WIP][AIRFLOW-5683] Add SubDagOperator that propagates
skipped state
URL: https://github.com/apache/airflow/pull/6352#issuecomment-542871719
 
 
   > 
   > 
   > > Currently there is no way of telling the parent dag of a sub dag that an essential
task has been skipped.
   > 
   > Currently when all tasks in a subdag finished (either `success` or `skipped`), the
parent DAG would continue with the tasks that depends on such subdag right? So I am not sure
why we need to introduce `essential task` here.
   
   Yes and that is the point. You cannot differ between `success` or `skipped`. So the actual
issue might be that there is no DAG state that indicates skipped - your are "loosing" this
information when exiting the subdag.

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